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polonius-the-crab

v0.5.0 Growing

Tools to feature more lenient Polonius-based borrow-checker patterns in stable Rust.

Zlib OR MIT OR Apache-2.0 Edition 2021 MSRV 1.67.0
#borrowck#crab#polonius#nll#loans

Quick Verdict

  • !Pre-1.0: API may have breaking changes
  • โœ“Trusted by 130 crates
  • โœ“Tiny footprint (25KB, 2 deps)
  • โœ“Permissive license (Zlib OR MIT OR Apache-2.0)

Security

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Downloads
6.2M
Dependents
130
Releases
22
Size
25KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

1.2M downloads in the last 30 days (39.2K/day), up 34% from the previous period.

๐Ÿ”—
Moderate adoption

130 crates depend on polonius-the-crab. Reasonable ecosystem adoption, though not yet a core dependency.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 88 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 3+ years old, polonius-the-crab hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿชถ
Minimal dependencies

Only 2 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

๐Ÿ“
Compact crate

At 25KB, polonius-the-crab is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include clickhouse, nougat, lending-iterator, clashmap, iai-callgrind-runner. When high-quality crates choose polonius-the-crab, it's a strong quality signal.

Health Breakdown

Maintenance 11/25

Recency, release consistency, active ratio

Quality 17/25

Yanked ratio, deps, size, maturity, features

Community 9/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
29K/day avg+92%
020K40K60K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.2.1
43%
v0.5.0
33%
v0.4.2
21%
v0.3.1
2%
v0.4.1
1%

Release Timeline

22 releasessince 2022
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2022
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2023
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2024
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2025
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2026
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Feature Flags

poloniusui-testsbetter-docs

README

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Maintainers

Dependencies
2
direct dependencies
Dependents
130
crates depend on polonius-the-crab

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